FOSDEM Timetable Search Bookmarks

 "Chatmail server networks for anonymous end-to-end encrypted messaging" ( 2025 )

Saturday at 18:30, 30 minutes, K.4.601, K.4.601, Modern Email missytake , video

In April 2024 Delta Chat introduced "instant onboarding" using chatmail servers leading to several 10K new users-per-day surges in geographies like Somalia, Russia, Mexico, Cuba and the US. There are currently 1-2 new chatmail servers per month and in 2025 we want to cover more of the planet, and will dicuss our plans for "zero-metadata" operations.

Sojourner FOSDEM
Related:
2026
  •  0.60 "Multi-relay chat messaging & cryptographic identities with Delta Chat and Chatmail relays"
  •  0.50 "Messages: how a French government agency broke free of IMAP"
  •  0.49 "Mail & Security - Lessons learned and interesting tools"
  •  0.49 "Webmail, the new generation"
2025
  •  0.57 "Delta Chat, from e-mail messaging to Peer-to-Peer realtime networking"
  •  0.49 "Mox and simplifying mail server setup & management"
  •  0.48 "(Avoid) Implementing STARTTLS"
2024
  •  0.56 "[Security] Modern chat-mail for security-sensitive helplines"
  •  0.49 "[Servers] Aerogramme, a multi-region IMAP server"
  •  0.48 "[Ending] It's all about the email. Ugh, what?"

Last updated: 2026-03-20

Copyrights:

FOSDEM conference content: licensed under the Creative Commons Attribution 2.0 Belgium Licence.

All content such as talks and biographies is the sole responsibility of the speaker.

All code and other content Apache 2.0 Licensed by Mike Moran